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Weather & Climate in Hyannis, NE
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hyannis experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 26°F in January while summers reach 72°F in July. The area gets 302 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 18.3 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 3,755 feet.
Temperature
26°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 48.1°F |
| 11% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 3,755 ft (1,145 m) |
| Area | 0.5 sq mi (1.3 km²) |
| Population Density | 294/sq mi |
| Coordinates | 42.0005°N, 101.7622°W |
| Timezone | America/Chicago |
| County | Cherry County County |
| Nearest Airport | North Platte Regional/Lee Bird Field (LBF) 82 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 13.6 / 100 |
| Social Vulnerability | 57.6 / 100 |
| Community Resilience | 23.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| May 25, 2003 | 10 km SSW of Martin, South Dakota | M4.0 | 121 km | 5 km |
| Oct 18, 2012 | 28 km NW of Hyannis, Nebraska | M3.6 | 28 km | 5 km |
| Aug 19, 2015 | 13 km S of Halsey, Nebraska | M3.6 | 127 km | 15 km |
| Aug 26, 1991 | 15 km SSE of Brownlee, Nebraska | M3.4 | 103 km | 5 km |
| Jun 18, 2015 | 15 km SSE of Valentine, Nebraska | M3.3 | 134 km | 5 km |
| Apr 11, 2016 | 11 km E of Brownlee, Nebraska | M3.2 | 110 km | 5 km |
| Jun 18, 1998 | 23 km S of Chadron, Nebraska | M3.1 | 123 km | 5 km |
| Feb 20, 1993 | 21 km WSW of Cody, Nebraska | M3.1 | 96 km | 5 km |
| Apr 10, 2018 | 3 km SE of Arnold, Nebraska | M3.1 | 149 km | 5 km |
| Sep 30, 1990 | 29 km SE of Hyannis, Nebraska | M3.0 | 30 km | 5 km |
| Jan 1, 2025 | 4 km S of Brownlee, Nebraska | M3.0 | 98 km | 5 km |
| Apr 24, 2007 | 23 km WSW of Hay Springs, Nebraska | M2.7 | 116 km | 5 km |
| Jul 7, 2024 | 11 km NNW of Merriman, Nebraska | M2.6 | 114 km | 11 km |
| Aug 6, 2012 | 21 km WNW of Mullen, Nebraska | M2.5 | 40 km | 5 km |
| Apr 10, 2018 | 4 km NW of Arnold, Nebraska | M2.5 | 141 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
204 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 5 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 25, 2024 | EF3 | 21 km | 40.0 mi | 0 |
| May 5, 1993 | EF3 | 93 km | 13.0 mi | 0 |
| Jul 10, 1977 | EF3 | 47 km | 7.8 mi | 0 |
| May 18, 1977 | EF3 | 58 km | 18.8 mi | 0 |
| May 23, 2024 | EF2 | 82 km | 0.3 mi | 0 |
| Jun 28, 2016 | EF2 | 11 km | 1.0 mi | 0 |
| Jun 20, 2003 | EF2 | 77 km | 1.5 mi | 0 |
| Jun 4, 1999 | EF2 | 96 km | 4.0 mi | 0 |
| Jul 15, 1983 | EF2 | 79 km | 0.3 mi | 0 |
| May 23, 1982 | EF2 | 97 km | 0.3 mi | 0 |
| Oct 15, 1980 | EF2 | 76 km | 0.1 mi | 0 |
| Aug 10, 1980 | EF2 | 80 km | 11.3 mi | 0 |
| May 18, 1977 | EF2 | 26 km | 19.7 mi | 0 |
| Jun 25, 1975 | EF2 | 98 km | 16.2 mi | 0 |
| Jul 27, 1972 | EF2 | 72 km | 1.0 mi | 0 |
| Jun 25, 1970 | EF2 | 90 km | 0.3 mi | 0 |
| Jun 13, 1965 | EF2 | 95 km | 8.7 mi | 0 |
| Jun 15, 1962 | EF2 | 93 km | 21.3 mi | 0 |
| May 15, 1962 | EF2 | 99 km | 0.1 mi | 0 |
| Aug 16, 1960 | EF2 | 83 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (77,236 acres, 1999).
| Year | Name | Acres Burned | Distance |
| 1999 | UNNAMED | 77,236 | 80 km |
| 2000 | POWDER HORN | 48,608 | 91 km |
| 1995 | UNNAMED | 27,237 | 95 km |
| 2012 | UNNAMED | 17,990 | 85 km |
| 2012 | TURNER TATANKA | 15,749 | 50 km |
| 1989 | MORRILL CO | 14,497 | 85 km |
| 2012 | KEITH COUNTY COMPLEX | 13,526 | 73 km |
| 2012 | JEFFRIES | 8,853 | 73 km |
| 2012 | UNNAMED | 7,980 | 85 km |
| 2000 | DRYWELLS | 6,492 | 60 km |
| 1999 | UNNAMED | 6,239 | 94 km |
| 2019 | RED KATE | 6,115 | 51 km |
| 2012 | UNNAMED | 6,014 | 96 km |
| 2012 | UNNAMED | 4,792 | 84 km |
| 2020 | ADAMSON CA | 4,175 | 89 km |
| 2011 | THEDFORD II | 4,133 | 87 km |
| 1998 | SUGARLOAF | 4,075 | 73 km |
| 1987 | UNNAMED | 3,439 | 67 km |
| 2000 | UNNAMED | 3,192 | 58 km |
| 1986 | W BLUE CREEK | 3,167 | 70 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 0.4 in | Driest |
| February | 28°F (-2°C) | 0.5 in | |
| March | 36°F (2°C) | 1.2 in | |
| April | 45°F (7°C) | 1.8 in | |
| May | 56°F (13°C) | 3.2 in | Wettest |
| June | 66°F (19°C) | 3.0 in | |
| July | 72°F (22°C) | 2.7 in | Warmest |
| August | 70°F (21°C) | 2.0 in | |
| September | 60°F (16°C) | 1.7 in | |
| October | 48°F (9°C) | 0.9 in | |
| November | 34°F (1°C) | 0.7 in | |
| December | 26°F (-4°C) | 0.4 in | Coldest |
Hyannis has a seasonal temperature swing of 47°F / from 26°F in December to 72°F in July. Total annual precipitation is 18.5 inches, with May being the wettest month (3.2") and January the driest (0.4").